Mainframe Developer Hands-On

UMA MAHESHWAR VULAVALA

SUMMARY

Experienced mainframe developer with 5.5 years of experience on IBM z/os environments. Proficient in code development and building the tools for efficient analysis. Passionate about improving system workflows, learning new technologies and delivering high-performance solutions. WORK EXPERIENCE

Delivered end-to-end design, development, testing, implementation, maintenance and support for enterprise-level applications on mainframe platforms. Collaborated with cross-functional teams to ensure alignment between business needs and technical solutions

Tata Consultancy Services,Hyderabad May 2022 - Present Cognizant Technology Services, Coimbatore

Served as primary production support, monitoring jobs, resolving abends, resolving critical issues with minimal downtime.

Implemented preventive enhancements to reduce recurring failures and ensure system stability

Feb 2020 - May 2022

Hyderabad• 949******* • ************.********@*****.*** Mainframe Developer

KEY PROJECTS

SKILLS

Languages: JCL, COBOL, CICS, REXX, SQL

Technologies and Tools: Control-M, LCM, Web Services,Changeman, SPUFI, SmartFile Migrated telecom billing product to new billing platform with zero downtime, delivering annual savings of £200,000.

Collaborated with stakeholders to ensure all business requirements were met, resulting in a smooth transition and increased client satisfaction. Telecom product migration - Vodafone UK

Role: Designer,Developer & Tester

Enhanced the telecom billing system to support new service offerings with accurate billing and seamless integration.

Delivered new features on time, enabling broader service coverage and improving customer satisfaction

Telecom billing feature development - Vodafone UK

Role: Designer,Developer

AWARDS & ACHIEVEMENTS

Recognized as "Star of the Month” for excelling in my roles as a designer, developer, test analyst and SME

Awarded for effective team collaboration and adaptability to new technologies in dynamic project environments

EDUCATION

G. Pulla Reddy Engineering College (2015-2019)

Bachelor of Technology Mechanical Engineering CGPA - 7.72 Performed impact analysis to identify programs using FTP for data retrieval, and updated job logic to process files only when present, enhancing reliability and reducing server dependency.

Improved batch efficiency by identifying root causes of abends and implementing minor enhancements.

Server Migration and Batch support - Guardian Life Insurance of America Role: Developer & Tester

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